DrupalCon DC 2009 - Practical Semantic Web and Why You Should Care - Recorded by Robert Nelson Vance (http://robertnelsonvance.com/)
In this session, I'll talk about the semantic web and provide some background information about it, why it matters, and where it is in its evolutionary cycle (RDFa just got accepted as W3C recommendation, for example). Then I'll talk about how it fits into Drupal and what tools are available today. I'll close by discussing what areas we need to work on and where we should go next.